Door panel for an automobile



FIG. 1 is a front elevational view of the door panel for an automobile showing my new design, the opposite side of the door panel does not form a part of the design, and the trim for the opposite door is a substantially mirror symmetrical part;

FIG. 2 is a left-side view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a door panel for an automobile, as shown and described. 